A system for detecting the occurrence of anomalies, includes a plurality of spaced apart nodes, with each node having adjacent nodes, each of the nodes having one or more sensors associated with the node and capable of detecting anomalies, and each of the nodes having a controller connected to the sensors...http://www.google.fr/patents/US6930596?utm_source=gb-gplus-shareBrevet US6930596 - System for detection of hazardous events
